Mark S Ryan, MD - Medicare Internal Medicine in Geneva, NY

Mark S Ryan, MD is a medicare enrolled "Internal Medicine" physician in Geneva, New York. His current practice location is 200 North St, Suite 101, Geneva, New York. You can reach out to his office (for appointments etc.) via phone at (315) 787-5100.

Mark S Ryan is licensed to practice in New York (license number 164272) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1679667513.

Contact Information

Mark S Ryan, MD
200 North St, Suite 101,
Geneva, NY 14456-1561
(315) 787-5100
(315) 787-5108

Map and Direction




Physician's Profile

Full NameMark S Ryan
GenderMale
SpecialityInternal Medicine
Location200 North St, Geneva, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679667513
  • Provider Enumeration Date: 10/03/2006
  • Last Update Date: 06/28/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1355255092
  • Enrollment ID: I20100713000368

Medical Identifiers

Medical identifiers for Mark S Ryan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679667513NPI-NPPES
1072637MedicaidNY
164272-7OtherNYWORKERS COMP
102496BJOtherNYPREFERRED CARE
P00003457OtherNYR.R. MEDICARE
2593569OtherNYGHI
P010164272OtherNYBLUE CROSS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 164272 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark S Ryan allows following entities to bill medicare on his behalf.
Entity NameWestern New York Medical Practice Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063790608
PECOS PAC ID: 3870767791
Enrollment ID: O20111110000598

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark S Ryan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark S Ryan, MD
200 North St, Suite 101,
Geneva, NY 14456-1561

Ph: (315) 787-5100
Mark S Ryan, MD
200 North St, Suite 101,
Geneva, NY 14456-1561

Ph: (315) 787-5100

Reviews and Comments


Internal Medicine Doctors in Geneva, NY

Amanda Laine Bennett, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 200 North St Ste 101, Geneva, NY 14456
Phone: 315-787-5175    
Dr. William Porter Welbourne, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 200 North St, Suite 102, Geneva, NY 14456
Phone: 315-787-5400    Fax: 315-787-5475
Angel A. Diaz, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 821 Pre Emption Rd Ste 300, Geneva, NY 14456
Phone: 315-787-5310    Fax: 315-787-5314
Rachael Beth Johengen, DO
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 196 North St, Geneva, NY 14456
Phone: 315-787-4000    
Dr. Margaret Mary Ameyaw, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 196 North Street, Geneva, NY 14456
Phone: 315-787-4303    
Dr. Raquel Reyes, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 601b W Washington St, Geneva, NY 14456
Phone: 315-781-8448    Fax: 315-781-8444
Dr. David Cywinski, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 875 Pre Emption Rd, Geneva, NY 14456
Phone: 315-798-5061    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.